<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>FIRST-webgl</title>
    
    <style >
        body{margin:0;overflow:hidden;}
    </style> 

</head>
<body>
    <canvas id="canvas">
        <script type="module" src="02_datgui.js"></script>
    </canvas>
</body>
</html>